Lost: A plane crashes and the survivors are forced to live with each other on a threatening island.
Cast Away: A man crash lands on a remote island where he has to survive on his own and attempt to escape.
Blindness: A big city has a blindness epidemic. Those who first become blind are sent to be quarantined in an abandoned mental hospital. Soon groups begin to form, strong prey on the weak, etc.
The Beach: A young american backpacker finds an island that seems like paradise. He discovers mysterious tribes of travelers who are protecting a secret.
Novels
A Clockwork Orange by Anthony Burgess: Violence in youth and social redemption.
The Outsiders by S. E. Hinton: Violence among youth, teen gangs, etc.
1984 by George Orwell & Brave New World by Aldous Huxley: Dystopian future
Movies/TV
Novels